[Mlir-commits] [mlir] [mlir] fix Undefined behavior in CastInfo::castFailed with From=<MLIRinterface> (PR #87145)

[Mehdi Amini]

joker-eph wrote:

OK I see:
```
    if (!Self::isPossible(f))
      return castFailed();
```

Here the `    if (!Self::isPossible(f))` will always succeed in your case?

I am not sure how to restructure this all (and I'm too busy preparing for euroLLVM at the moment) but we can't have that warning in-tree I think.


https://github.com/llvm/llvm-project/pull/87145